What is genre?

Genre is a variation of a specific subject with it's own style differing from others. For example, within music, Rock is it's own genre, just as pop, classical, heavy metal, country and reggae are also different genres within music. Different genres can also have sub-genres which branch off and are similar from a genre, but also have their own unique twist to it, with classic rock and punk rock being examples of sub-genres in rock. Different genres can also be combine and mixed together, with a good example of this being a mix between poop and dubstep as this collaboration of genres is popular in todays music industry.